Chaplet.



Patented Nov. H, I902. Y J. P. MCCOY & W. V LUKENS. G H A P L E T.

(Application filed Aug. 20, 1900.)

(No Model.)

UNHTED Sre rns arnivr Curios.

JOHN P. MCCOY AND WILLIAM V. LUKENS, OF PHILADELPHIA, PENNSYLVANIA.

CHAPLET.

SPECIFICATION forming part of Letters Patent No. 713,571, dated November11, 1902.

Application filed August 20,1900. Serial No. 27.478- (No model.)

To ctZZ whom it may concern:

Be it known that we, JOHN P. MCCOY and WILLIAM V. LUKENS, citizens ofthe United States, residing in Philadelphia, Pennsylvania, have inventedcertain Improvements in Chaplets, of which the following is aspecification.

Our invention relates to that class of chaplets which consist of a stemhaving a disk or plate at either or both ends, the object of ourinvention being to cheapen and expedite the manufacture of core-anchorsof this class.

In the accompanying drawings, Figure 1 is a perspective view of achaplet constructed in accordance with our invention. Fig. 2 is asectional view of the same. Figs. 3 and 4c are longitudinal sectionsillustrating successive steps in the manufacture of chaplets inaccordance with our invention; and Fig. 5 is a transverse section on theline a a, Fig. 3.

Chaplets such as that to which our invention relates usually consist ofa central stem or bar, with disks or plates secured to the opposite endsof the same, and the usual method of manufacture is to form in each diskan opening less in diameter than that of the connecting rod or bar, thelatter being turned down at the ends and the reduced portions beingpassed through openings in the disks and riveted down on the outer sidesof the latter. In our improved chaplet, however, the rod or bar 1 hasenlarged flanges or collars 2 near each end, forming shoulders, againstwhich bear the end disks or plates 3, the openings in the latter beingof the same or even of greater diameter than the rod or bar 1 and beingpreferably beveled or undercut for the reception of the riveted ends ofthe bar.

In making our improved chaplet we first take a rod t of the requireddiameter and of a length somewhat greater than the distance between theouter faces of the end disks or plates 3 in the finished chaplet, andthis rod we firmly confine between upper and lower dies 5 and 6,constructed to surround and grip the rod and having at the opposite endsof their meeting portions recesses 7 of the shape desired for theprojecting flanges or collars 2 on the connecting-rod of the chaplet.The rod ebeing thus held, the disks or plates 3 are slipped upon theprojecting ends of the same, as shown in Fig. 3, and are then subjectedto the action of a pair of hammers 8, as shown in Fig. 4c, the effect ofwhich is to cause them to expand and fill the recesses 7 in the dies 5and 6 and also the openings in the disks or plates 3, which openings areundercut, so that the ends of the rod may be pressed down flush with theouter faces of the disks or plates, although this construction is notabsolutely necessary, since it is manifest that the ends of the rods canbe riveted down on the outer faces of the disks or plates, if desired.

By means of our invention the bearingshoulders for the disks or platesare formed simultaneously with the riveting of the ends of the rod.Hence the operation can be very quickly and cheaply effected and thechaplets can be produced at a much lower cost than usual and bearingflanges or collars of any desired size may be formed upon the rod 1, aresult which is not possible when the shoulders are formed by turningdown the ends of the rod, as usual.

Our invention can, as will be evident, be adopted in the manufacture ofa chaplet having a plate or disk at one end of the rod only instead ofat both ends.

Having thus described our invention, We claim and desire to secure byLetters Patent- 1. A chaplet consisting of a rod or bar and a plate ordisk confined between a flange on the bar and a riveted portion of theend of the bar contained in a countersunk opening in said plate, boththe said riveted portion and flange of the bar being of greater diameterthan the bar-itself and both formed by the same operation, substantiallyas specified.

2. A chaplet consisting of a rod or bar having a plate or disk at eachend, each plate or disk being confined between a flange on the bar and ariveted portion of end of the bar, the opening in each disk or platebeing of the full diameter of the bar, and both of the flange andriveted portions of the bar being of greater diameter than the same andformed by the same operation, substantially as specifled.

3. A chaplet consisting of a rod or bar havnames to this specificationin the presence of two subscribing witnesses.

JOHN P. MCCOY. WM. V. LUKENS.

Witnesses:

WILLIAM DE KRAFFT, FRED WOOLLNER.

